CN101280086B - Special material for environment-friendly flame-proof polypropylene and preparation thereof - Google Patents
Special material for environment-friendly flame-proof polypropylene and preparation thereof Download PDFInfo
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- CN101280086B CN101280086B CN2008100618066A CN200810061806A CN101280086B CN 101280086 B CN101280086 B CN 101280086B CN 2008100618066 A CN2008100618066 A CN 2008100618066A CN 200810061806 A CN200810061806 A CN 200810061806A CN 101280086 B CN101280086 B CN 101280086B
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- Prior art keywords
- flame
- retardant
- compound
- modified polypropylene
- nylon
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- -1 polypropylene Polymers 0.000 title claims abstract description 46
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 39
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 39
- 239000000463 material Substances 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title abstract description 8
- 239000003063 flame retardant Substances 0.000 claims abstract description 49
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000000203 mixture Substances 0.000 claims abstract description 17
- 239000011347 resin Substances 0.000 claims abstract description 11
- 229920005989 resin Polymers 0.000 claims abstract description 11
- 239000004677 Nylon Substances 0.000 claims abstract description 10
- 229910010272 inorganic material Inorganic materials 0.000 claims abstract description 10
- 239000011147 inorganic material Substances 0.000 claims abstract description 10
- 229920001778 nylon Polymers 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 5
- 150000001875 compounds Chemical class 0.000 claims description 34
- 239000004925 Acrylic resin Substances 0.000 claims description 13
- 229920000178 Acrylic resin Polymers 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims description 9
- 229920002302 Nylon 6,6 Polymers 0.000 claims description 8
- 238000005453 pelletization Methods 0.000 claims description 8
- 239000004114 Ammonium polyphosphate Substances 0.000 claims description 7
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 claims description 7
- 235000019826 ammonium polyphosphate Nutrition 0.000 claims description 7
- 229920001276 ammonium polyphosphate Polymers 0.000 claims description 7
- 239000001177 diphosphate Substances 0.000 claims description 7
- 235000011180 diphosphates Nutrition 0.000 claims description 7
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 7
- 239000000347 magnesium hydroxide Substances 0.000 claims description 7
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 7
- 229940059574 pentaerithrityl Drugs 0.000 claims description 7
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 7
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical class ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 claims description 7
- 229920002292 Nylon 6 Polymers 0.000 claims description 6
- 229910021536 Zeolite Inorganic materials 0.000 claims description 5
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 5
- 239000010457 zeolite Substances 0.000 claims description 5
- 229960000892 attapulgite Drugs 0.000 claims description 3
- GDVKFRBCXAPAQJ-UHFFFAOYSA-A dialuminum;hexamagnesium;carbonate;hexadecahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Al+3].[Al+3].[O-]C([O-])=O GDVKFRBCXAPAQJ-UHFFFAOYSA-A 0.000 claims description 3
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 3
- 229960001545 hydrotalcite Drugs 0.000 claims description 3
- 229910001701 hydrotalcite Inorganic materials 0.000 claims description 3
- 229910052625 palygorskite Inorganic materials 0.000 claims description 3
- 238000009472 formulation Methods 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000008187 granular material Substances 0.000 abstract 1
- 239000000779 smoke Substances 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 description 7
- 238000005452 bending Methods 0.000 description 6
- 230000035939 shock Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical group C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical class C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- BNBQRQQYDMDJAH-UHFFFAOYSA-N benzodioxan Chemical class C1=CC=C2OCCOC2=C1 BNBQRQQYDMDJAH-UHFFFAOYSA-N 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 150000001907 coumarones Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses an environmental-friendly flame-retardant material dedicated for polypropylene and the preparation method. The material is composed of the following raw materials based on weight proportion: 35-68% of polypropylene resins, 20-35% of built flame retardants, 2-10% of inorganic material, 5-10% of nylon resin, and 5-10% of compatibilizer. The preparation method of the special material is as follows: the raw materials prepared based on the formula are evenly mixed in a high-speed mixer and then the mixture is added to a twin-screw extruder; the barrel temperature of the twin-screw extruder is controlled to reach 185 to 200 DEG C; the mixture is mixed in the twin-screw extruder and extruded and then cut into granules to get the flame-retardant modified material dedicated for polypropylene. The flame-retardant modified material dedicated for polypropylene of the invention has good fire-retardant properties, excellent mechanical properties, low cost of raw materials and less smoke in the flame-retardant process; besides, the material meets the RoHS Directive and other environmental protection requirements.
Description
(1) technical field
It is flame-retardant modified to the present invention relates to polymkeric substance, relates in particular to flame-retardant modified polypropylene dedicated material of a kind of compliance with environmental protection requirements and preparation method thereof.
(2) background technology
Premium properties such as that polypropylene has is nontoxic, density is little, easy processing, resistance to chemical attack and electrical insulating property are good.In recent years, new catalyzer, modified filler and the technology that is mixed all are improved polyacrylic rigidity, toughness, thermotolerance and smooth finish, strengthened polyacrylic competitive power greatly, made it in industries such as daily living article, traffic, machinery and electronics, obtain using widely.But polypropylene very easily burns (oxygen index only is 18), can produce the intensive oxicracking during burning, making molecular weight and molecular weight is 1/3～1/4 of initial molecular weight, cause producing in the combustion processes molten drop, very easily cause fire failure, along with the development of society, people improve day by day to safe requirement, and the exploitation of polypropylene flame redardant enjoys green grass or young crops to narrow.Be used for polyacrylic fire retardant great majority at present based on halogenated flame retardant, but halogen containing flame-retardant produces a large amount of obnoxious flavoures in fire-retardant process, caused " secondary harm " (plastics,, 33 volumes, 1 phase in 2004) for people's life and property safety.Europe in 1986 has found that at first polybromodiphenyl ether class material may produce tetrabromo two benzodioxans of generation and tetrabromo two cumarones of generation (plastics,, 34 volumes in 2005 when burning.The 1st phase) carcinogenic substance such as, when fire-retardant, can endanger personal security and contaminate environment, therefore, European Union and China have successively issued " about ban use of some objectionable impurities instruction in electronic electric equipment " (being called for short " RoHS instruction ") and " electronics and IT products pollution control management way ", stipulate that the Polybrominated biphenyl contained in the flame retardant plastics and the content of Poly Brominated Diphenyl Ethers must not surpass 1000PPM.
(3) summary of the invention
The technical problem to be solved in the present invention provides a kind of flame-retardant modified polypropylene dedicated material that meets the RoHS of European Union instruction and China's " electronics and IT products pollution control management way " requirement and preparation method thereof.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of flame-retardant modified polypropylene dedicated material, this PP Pipe Compound is made up of following quality proportion raw material: acrylic resin 35～68%, compound flame retardant 20～35%, inorganic materials 2～10%, nylon resin 5～10%, expanding material 5～10%.
Preferably, described flame-retardant modified polypropylene dedicated material is made up of following quality proportion raw material: acrylic resin 35～50%, compound flame retardant 28～35%, inorganic materials 6～10%, nylon resin 8～10%, expanding material 8～10%.
The acrylic resin of indication of the present invention is the polymkeric substance of propylene, and any acrylic resin all is applicable to the present invention.
Compound flame retardant preferred mass ratio of the present invention is the contract compound of trimeric cyanamide and magnesium hydroxide of the compound of 3: 1 ammonium polyphosphate and tetramethylolmethane or pentaerythrite diphosphate ester two phosphoryl chlorides that mass ratio is 1: 1.
Inorganic materials of the present invention is that particle diameter is not more than any in 10 microns polynite, hydrotalcite, zeolite, talcum powder and the attapulgite.
Nylon resin of the present invention is nylon 6 or nylon 66.
Expanding material of the present invention is any among PP-g-MAH, PE-g-MAH, EPDM-g-MAH and the POE-g-MAH.
The technology of the present invention preferred version 1 is: the quality of described special material for environment-friendly flame-proof polypropylene is composed as follows: acrylic resin: 35%; Ammonium polyphosphate and tetramethylolmethane (mass ratio 3: 1) compound flame retardant: 35%; Particle diameter is not more than 10 microns zeolite: 10%; Nylon 6: 10%; EPDM-g-MAH:10%.
The technology of the present invention preferred version 2 is: the quality of described special material for environment-friendly flame-proof polypropylene is composed as follows: acrylic resin: 35%; Pentaerythrite diphosphate ester two phosphoryl chlorides contract trimeric cyanamide and the composite compound flame retardant of making of magnesium hydroxide (mass ratio 1: 1): 35%; Particle diameter is not more than 10 microns polynite: 10%; Nylon 66: 10%; PP-g-MAH:10%.
The preparation method of flame-retardant modified polypropylene dedicated material of the present invention carries out as follows: will mix in high-speed mixer by acrylic resin, compound flame retardant, inorganic materials, nylon resin and the expanding material of formulation ratio, then mixture is added twin screw extruder, the barrel temperature of control twin screw extruder is at 185～200 ℃, and described mixture mixes in twin screw extruder extrudes also that pelletizing obtains described special material for environment-friendly flame-proof polypropylene.
In above-mentioned preparation, recommend acrylic resin, compound flame retardant, inorganic materials, nylon resin and expanding material were mixed in high-speed mixer 10 minutes.
Compared with prior art, the flame-retardant modified polypropylene dedicated material that the present invention obtains have that flame retardant properties is good, mechanical property is excellent, raw materials cost is cheap and fire-retardant process in characteristics such as the flue gas that produces is few, and material meet must not be above the regulation of 1000PPM about the content of Polybrominated biphenyl contained in the flame retardant plastics and Poly Brominated Diphenyl Ethers in European Union's " about ban use of some objectionable impurities instruction in electronic electric equipment " (being called for short " RoH instruction ") and China's " electronics and IT products pollution control management way ".
(4) embodiment:
Below with specific embodiment technical scheme of the present invention is described, but protection scope of the present invention is not limited thereto:
Embodiment 1
By following mass content with ammonium polyphosphate and the composite compound flame retardant of making of tetramethylolmethane (mass ratio 3: 1): 20%; Polypropylene: 68%; Particle diameter is not more than 10 microns talcum powder: 2%; Nylon 6: 5%; EPDM-g-MAH:5% mixed 10 minutes in high-speed mixer, then mixture was added twin screw extruder, mixed in twin screw extruder and extruded pelletizing, and barrel temperature is controlled at 185 ℃.
The performance of the above-mentioned polypropylene flame redardant PP Pipe Compound that makes is after measured: vertical combustion reaches V-2 level, tensile strength 27.5MPa, shock strength 12.5Kj/m
2, bending strength 30.8MPa.
Embodiment 2
By following mass content with pentaerythrite diphosphate ester two phosphoryl chlorides contract trimeric cyanamide and the composite compound flame retardant of making of magnesium hydroxide (mass ratio 1: 1): 20%; Polypropylene: 68%; Particle diameter is not more than 10 microns hydrotalcite: 2%; Nylon 66: 5%; PP-g-MAH:5% mixed 10 minutes in high-speed mixer, then mixture was added twin screw extruder, mixed in twin screw extruder and extruded pelletizing, and barrel temperature is controlled at 185 ℃.
The performance of the above-mentioned polypropylene flame redardant PP Pipe Compound that makes is after measured: vertical combustion reaches V-2 level, tensile strength 26.8MPa, shock strength 12.3Kj/m
2, bending strength 31.0MPa.
Embodiment 3
By following mass content with ammonium polyphosphate and the composite compound flame retardant of making of tetramethylolmethane (mass ratio 3: 1): 28%; Polypropylene: 50%; Particle diameter is not more than 10 microns attapulgite: 6%; Nylon 66: 8%; PE-g-MAH:8% mixed 10 minutes in high-speed mixer, then mixture was added twin screw extruder, mixed in twin screw extruder and extruded pelletizing, and barrel temperature is controlled at 185 ℃.
The performance of the above-mentioned polypropylene flame redardant PP Pipe Compound that makes is after measured: vertical combustion reaches V-1 level, tensile strength 28.2MPa, shock strength 13.5Kj/m
2, bending strength 35.1MPa.
Embodiment 4
By following mass content with pentaerythrite diphosphate ester two phosphoryl chlorides contract trimeric cyanamide and the composite compound flame retardant of making of magnesium hydroxide (mass ratio 1: 1): 28%; Polypropylene: 50%; Particle diameter is not more than 10 microns polynite: 6%; Nylon 66: 8%; POE-g-MAH:8% mixed 10 minutes in high-speed mixer, then mixture was added twin screw extruder, mixed in twin screw extruder and extruded pelletizing, and barrel temperature is controlled at 185 ℃.
The performance of the above-mentioned polypropylene flame redardant PP Pipe Compound that makes is after measured: vertical combustion reaches V-1 level, tensile strength 28.5MPa, shock strength 14.5Kj/m
2, bending strength 35.4MPa.
Embodiment 5
By following mass content with ammonium polyphosphate and the composite compound flame retardant of making of tetramethylolmethane (mass ratio 3: 1): 35%; Polypropylene: 35%; Particle diameter is not more than 10 microns zeolite: 10%; Nylon 6: 10%; EPDM-g-MAH:10% mixed 10 minutes in high-speed mixer, then mixture was added twin screw extruder, mixed in twin screw extruder and extruded pelletizing, and barrel temperature is controlled at 185 ℃.
The performance of the above-mentioned polypropylene flame redardant PP Pipe Compound that makes is after measured: vertical combustion reaches V-0 level, tensile strength 23.5MPa, shock strength 9.0Kj/m
2, bending strength 31.1MPa.
Embodiment 6
By following mass content with pentaerythrite diphosphate ester two phosphoryl chlorides contract trimeric cyanamide and the composite compound flame retardant of making of magnesium hydroxide (mass ratio 1: 1): 35%; Polypropylene: 35%; Particle diameter is not more than 10 microns polynite: 10%; Nylon 66: 10%; PP-g-MAH:10% mixed 10 minutes in high-speed mixer, then mixture was added twin screw extruder, mixed in twin screw extruder and extruded pelletizing, and barrel temperature is controlled at 185 ℃.
The performance of the above-mentioned polypropylene flame redardant PP Pipe Compound that makes is after measured: vertical combustion reaches V-0 level, tensile strength 25.6.3MPa, shock strength 7.5Kj/m
2, bending strength 36.5MPa.
Claims (8)
1. flame-retardant modified polypropylene dedicated material, it is characterized in that described PP Pipe Compound is made up of following quality proportion raw material: acrylic resin 35～68%, compound flame retardant 20～35%, inorganic materials 2～10%, nylon resin 5～10%, expanding material 5～10%; Described compound flame retardant is that mass ratio is the contract compound of trimeric cyanamide and magnesium hydroxide of the compound of 3: 1 ammonium polyphosphate and tetramethylolmethane or pentaerythrite diphosphate ester two phosphoryl chlorides that mass ratio is 1: 1.
2. flame-retardant modified polypropylene dedicated material as claimed in claim 1, it is characterized in that described PP Pipe Compound is made up of following quality proportion raw material: acrylic resin 35～50%, compound flame retardant 28～35%, inorganic materials 6～10%, nylon resin 8～10%, expanding material 8～10%.
3. flame-retardant modified polypropylene dedicated material as claimed in claim 1 or 2 is characterized in that described inorganic materials is that particle diameter is not more than any in 10 microns polynite, hydrotalcite, zeolite, talcum powder and the attapulgite.
4. flame-retardant modified polypropylene dedicated material as claimed in claim 1 or 2 is characterized in that described nylon resin is nylon 6 or nylon 66.
5. flame-retardant modified polypropylene dedicated material as claimed in claim 1 or 2 is characterized in that described expanding material is any of PP-g-MAH, PE-g-MAH, EPDM-g-MAH and POE-g-MAH.
6. flame-retardant modified polypropylene dedicated material as claimed in claim 1 is characterized in that described PP Pipe Compound is made up of following quality proportion raw material: acrylic resin: 35%; Mass ratio is 3: 1 ammonium polyphosphate and the composite compound flame retardant of making of tetramethylolmethane: 35%; Particle diameter is not more than 10 microns zeolite: 10%; Nylon 6: 10%; EPDM-g-MAH:10%.
7. flame-retardant modified polypropylene dedicated material as claimed in claim 1 is characterized in that described PP Pipe Compound is made up of following quality proportion raw material: acrylic resin: 35%; Mass ratio is contract trimeric cyanamide and the composite compound flame retardants of making of magnesium hydroxide of 1: 1 pentaerythrite diphosphate ester two phosphoryl chlorides: 35%; Particle diameter is not more than 10 microns polynite: 10%; Nylon 66: 10%; PP-g-MAH:10%.
8. method for preparing flame-retardant modified polypropylene dedicated material as claimed in claim 1, it is characterized in that described method carries out as follows: will in high-speed mixer, mix by acrylic resin, compound flame retardant, inorganic materials, nylon resin and the expanding material of formulation ratio, then mixture is added twin screw extruder, 185～200 ℃ of the barrel temperatures of control twin screw extruder, mixture mix in twin screw extruder extrudes also that pelletizing obtains described flame-retardant modified polypropylene dedicated material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100618066A CN101280086B (en) | 2008-05-09 | 2008-05-09 | Special material for environment-friendly flame-proof polypropylene and preparation thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100618066A CN101280086B (en) | 2008-05-09 | 2008-05-09 | Special material for environment-friendly flame-proof polypropylene and preparation thereof |
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| CN101280086A CN101280086A (en) | 2008-10-08 |
| CN101280086B true CN101280086B (en) | 2010-12-01 |
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